/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.sanselan.palette;

import org.apache.sanselan.util.Debug;

public class SimplePalette extends Palette
{
	private final int palette[];

	public SimplePalette(int palette[])
	{
		this.palette = palette;
	}

	public int getPaletteIndex(int rgb)
	{
		return getPaletteIndex(palette, rgb);
	}

	public int getEntry(int index)
	{
		return palette[index];
		//			return getPaletteIndex(palette, rgb);
	}

	private int getPaletteIndex(int palette[], int argb)
	{

		//		Debug.debug("getPaletteIndex argb", argb + " ("
		//				+ Integer.toHexString(argb) + ")");

		for (int i = 0; i < palette.length; i++)
		{
			//			Debug.debug("\t" + "palette[" + i + "]", palette[i] + " ("
			//					+ Integer.toHexString(palette[i]) + ")");

			if (palette[i] == argb)
				return i;
		}

		return -1;
	}

	public void dump()
	{
		for (int i = 0; i < palette.length; i++)
		{
			Debug.debug("\t" + "palette[" + i + "]", palette[i] + " (0x"
					+ Integer.toHexString(palette[i]) + ")");
		}
	}

	public int length()
	{
		return palette.length;
	}
}